bluehair vs genarian

bluehair

noun
  • An elderly person, especially a woman or one viewed as senile, old-fashioned, or out-of-touch. 

  • A young or naive supporter of social-justice causes. 

genarian

noun
  • An elderly person, especially one over the age of 60. 

adj
  • Concerning rules or principles as opposed to acts. 

How often have the words bluehair and genarian occurred in a corpus of books? (source: Google Ngram Viewer )